1, do not eat candy before each meal sweets have a characteristic that can slow down the peristalsis and emptying of the gastrointestinal tract and suppress appetite. Some people drink a glass of high-sugar drinks half an hour before a meal due to certain circumstances, resulting in a major reduction in the amount of food eaten at the main meal and an imbalance in nutritional intake. Therefore, one hour before each meal to prohibit any sweet food, candy. 2, after each meal should not immediately eat dessert Some people have the habit of eating dessert after the main meal. In fact, doing so, even a very small amount of dessert is not appropriate. We know that blood sugar rises after a meal, and the human pancreas secretes insulin to lower blood sugar. If you eat candy immediately after a meal, it can cause excessive blood sugar load, the pancreas has to work twice as much to secrete more insulin, and in the long run, the pancreas is tired and idle, leading to lesions. Therefore, it is not advisable to eat sweets immediately after each meal. The time to enjoy dessert can be placed between two meals, such as 9 to 10 am, 3 to 4 pm, etc. 3, fasting do not eat dessert, candy fasting state dessert, will lead to gastrointestinal distension, excessive secretion of gastric acid, nausea, acid reflux and heartburn. There are also people to replace the normal breakfast with a sweet drink, think it is “convenient and quick”. In fact, drinking sweet drinks on an empty stomach will cause the rapid absorption of sugar, blood sugar instantly rise, so that insulin secretion to lower blood sugar, the result may lead to an excessive drop in blood sugar, hypoglycemic reaction, not only seriously affect the morning work and study, but also may cause harm to the body. 4, do not eat a large amount of sugar at once Eating a large amount of sugar at once will not only cause a sudden rise in blood sugar and overload the pancreas, but also trigger gastrointestinal discomfort, loss of appetite, bloating and belching, and seriously affect the intake, digestion and absorption of other nutrients, such as protein, fat, vitamins, minerals, etc. 5, some people should not eat sugar Undeniably, there are some people can not or should not eat candy, or must be under the guidance of a nutritionist to eat sugar in moderation, including obesity, diabetes, low glucose tolerance, gastrointestinal weakness, gastritis and peptic ulcer, gastroesophageal reflux disease, functional dyspepsia, hypertriglyceridemia, hypercholesterolemia and coronary heart disease patients.